/* ============================================================================
   DataGrid Theme System - CSS Custom Properties
   
   This file defines a comprehensive theme system using CSS custom properties
   that can be easily customized by users without Tailwind CSS.
   
   Usage:
   1. Import this CSS file instead of the old DataGrid.css
   2. Customize by overriding CSS custom properties
   3. Use with or without Tailwind CSS
   ============================================================================ */

/* ============================================================================
   ROOT THEME VARIABLES - Default Light Theme
   ============================================================================ */
:root {
  /* === Color Palette === */
  /* Background Colors */
  --datagrid-bg-primary: #ffffff;
  --datagrid-bg-secondary: #f8fafc;
  --datagrid-bg-header: #f1f5f9;
  --datagrid-bg-hover: #f0f8ff;
  --datagrid-bg-row-hover: #f5f9ff;
  --datagrid-bg-cell-focus: #fff2cc;
  --datagrid-bg-selected: #e7f3ff;
  --datagrid-bg-accent: #3b82f6;
  
  /* Text Colors */
  --datagrid-text-primary: #1e293b;
  --datagrid-text-secondary: #64748b;
  --datagrid-text-muted: #94a3b8;
  --datagrid-text-accent: #3b82f6;
  --datagrid-text-inverse: #ffffff;
  
  /* Border Colors */
  --datagrid-border-color: #e2e8f0;
  --datagrid-border-header: #cbd5e1;
  --datagrid-border-focus: #3b82f6;
  --datagrid-border-accent: #3b82f6;
  
  /* State Colors */
  --datagrid-color-success: #10b981;
  --datagrid-color-warning: #f59e0b;
  --datagrid-color-error: #ef4444;
  --datagrid-color-info: #3b82f6;
  
  /* Primary Brand Colors */
  --datagrid-color-primary: #3b82f6;
  --datagrid-color-primary-hover: #2563eb;
  --datagrid-color-primary-light: #dbeafe;
  
  /* Button Colors */
  --datagrid-button-primary: #3b82f6;
  --datagrid-button-primary-hover: #2563eb;
  --datagrid-button-secondary: #e2e8f0;
  --datagrid-button-secondary-hover: #cbd5e1;
  --datagrid-button-danger: #ef4444;
  --datagrid-button-danger-hover: #dc2626;
  --datagrid-button-success: #10b981;
  --datagrid-button-success-hover: #059669;
  
  /* === Spacing === */
  --datagrid-spacing-xs: 4px;
  --datagrid-spacing-sm: 8px;
  --datagrid-spacing-md: 12px;
  --datagrid-spacing-lg: 16px;
  --datagrid-spacing-xl: 20px;
  --datagrid-spacing-xxl: 24px;
  
  /* === Typography === */
  --datagrid-font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Roboto", "Helvetica Neue", sans-serif;
  --datagrid-font-family-mono: "JetBrains Mono", "Fira Code", "Monaco", "Consolas", monospace;
  
  --datagrid-font-size-xs: 11px;
  --datagrid-font-size-sm: 12px;
  --datagrid-font-size-md: 13px;
  --datagrid-font-size-lg: 14px;
  --datagrid-font-size-xl: 16px;
  
  --datagrid-font-weight-normal: 400;
  --datagrid-font-weight-medium: 500;
  --datagrid-font-weight-semibold: 600;
  --datagrid-font-weight-bold: 700;
  
  --datagrid-line-height-tight: 1.25;
  --datagrid-line-height-normal: 1.5;
  --datagrid-line-height-relaxed: 1.75;
  
  /* === Borders & Radius === */
  --datagrid-border-width: 1px;
  --datagrid-border-width-thick: 2px;
  --datagrid-border-radius: 6px;
  --datagrid-border-radius-sm: 4px;
  --datagrid-border-radius-lg: 8px;
  --datagrid-border-radius-full: 9999px;
  
  /* === Shadows === */
  --datagrid-shadow-none: none;
  --datagrid-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --datagrid-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --datagrid-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --datagrid-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --datagrid-shadow-inner: inset 0 1px 3px rgba(0, 0, 0, 0.1);
  --datagrid-shadow-focus: 0 0 0 3px rgba(59, 130, 246, 0.15);
  
  /* === Transitions === */
  --datagrid-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --datagrid-transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --datagrid-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --datagrid-transition-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --datagrid-transition-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --datagrid-transition-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --datagrid-transition-ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* === Component Specific === */
  --datagrid-header-height: 48px;
  --datagrid-header-padding: 12px 16px;
  --datagrid-cell-padding: 12px 16px;
  --datagrid-cell-min-height: 44px;
  --datagrid-floating-dock-border-radius: 12px;
  --datagrid-floating-dock-padding: 12px 20px;
  --datagrid-floating-dock-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  --datagrid-pagination-height: 52px;
  --datagrid-pagination-padding: 12px 16px;
  --datagrid-filter-height: 32px;
  --datagrid-filter-padding: 0 8px;
  
  /* === Z-Index === */
  --datagrid-z-dropdown: 1000;
  --datagrid-z-tooltip: 1100;
  --datagrid-z-modal: 1200;
  --datagrid-z-popover: 1300;
  --datagrid-z-overlay: 1400;
  --datagrid-z-max: 9999;
}

/* ============================================================================
   DARK THEME VARIABLES
   ============================================================================ */
[data-theme="dark"],
.datagrid-theme-dark {
  /* Background Colors */
  --datagrid-bg-primary: #0f172a;
  --datagrid-bg-secondary: #1e293b;
  --datagrid-bg-header: #334155;
  --datagrid-bg-hover: #475569;
  --datagrid-bg-row-hover: #374151;
  --datagrid-bg-cell-focus: #4b5563;
  --datagrid-bg-selected: #1e40af;
  --datagrid-bg-accent: #3b82f6;
  
  /* Text Colors */
  --datagrid-text-primary: #f8fafc;
  --datagrid-text-secondary: #cbd5e1;
  --datagrid-text-muted: #94a3b8;
  --datagrid-text-accent: #60a5fa;
  --datagrid-text-inverse: #0f172a;
  
  /* Border Colors */
  --datagrid-border-color: #334155;
  --datagrid-border-header: #475569;
  --datagrid-border-focus: #3b82f6;
  --datagrid-border-accent: #3b82f6;
  
  /* Button Colors */
  --datagrid-button-primary: #3b82f6;
  --datagrid-button-primary-hover: #2563eb;
  --datagrid-button-secondary: #374151;
  --datagrid-button-secondary-hover: #4b5563;
  --datagrid-button-danger: #ef4444;
  --datagrid-button-danger-hover: #dc2626;
  --datagrid-button-success: #10b981;
  --datagrid-button-success-hover: #059669;
}

/* ============================================================================
   MAIN COMPONENT STYLES
   ============================================================================ */

/* Container */
.datagrid-container {
  display: flex;
  flex-direction: column;
  background-color: var(--datagrid-bg-primary);
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  font-family: var(--datagrid-font-family);
  font-size: var(--datagrid-font-size-md);
  color: var(--datagrid-text-primary);
  overflow: hidden;
  position: relative;
  box-shadow: var(--datagrid-shadow-md);
}

/* Toolbar */
.datagrid-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--datagrid-spacing-md) var(--datagrid-spacing-lg);
  background-color: var(--datagrid-bg-header);
  border-bottom: var(--datagrid-border-width) solid var(--datagrid-border-header);
  backdrop-filter: blur(10px);
}

/* Global Search */
.datagrid-global-filter {
  flex: 1;
  max-width: 350px;
}

.datagrid-search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.datagrid-search-input {
  width: 100%;
  height: 36px;
  padding: 0 var(--datagrid-spacing-md) 0 36px;
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  background-color: var(--datagrid-bg-primary);
  color: var(--datagrid-text-primary);
  font-size: var(--datagrid-font-size-sm);
  font-family: var(--datagrid-font-family);
  font-weight: var(--datagrid-font-weight-normal);
  transition: all var(--datagrid-transition-fast);
  box-shadow: var(--datagrid-shadow-sm);
  line-height: var(--datagrid-line-height-normal);
}

.datagrid-search-input:hover {
  border-color: var(--datagrid-border-accent);
}

.datagrid-search-input:focus {
  outline: none;
  border-color: var(--datagrid-border-focus);
  box-shadow: var(--datagrid-shadow-focus);
}

.datagrid-search-input::placeholder {
  color: var(--datagrid-text-muted);
  font-weight: var(--datagrid-font-weight-normal);
}

.datagrid-search-icon {
  position: absolute;
  left: var(--datagrid-spacing-sm);
  color: var(--datagrid-text-muted);
  pointer-events: none;
  transition: color var(--datagrid-transition-fast);
}

.datagrid-search-input:focus + .datagrid-search-icon {
  color: var(--datagrid-color-primary);
}

/* Table Container */
.datagrid-table-container {
  overflow-x: auto;
  overflow-y: auto;
  flex: 1;
  position: relative;
  background-color: var(--datagrid-bg-primary);
  scrollbar-width: thin;
  -ms-overflow-style: auto;
}

.datagrid-table-container::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

.datagrid-table-container::-webkit-scrollbar-track {
  background: transparent;
}

.datagrid-table-container::-webkit-scrollbar-thumb {
  background: var(--datagrid-text-muted);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.datagrid-table-container::-webkit-scrollbar-thumb:hover {
  background: var(--datagrid-text-secondary);
  background-clip: padding-box;
}

/* Table */
.datagrid-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  background-color: var(--datagrid-bg-primary);
}

/* Header */
.datagrid-header {
  background-color: var(--datagrid-bg-header);
  position: sticky;
  top: 0;
  z-index: calc(var(--datagrid-z-dropdown) / 100);
  box-shadow: var(--datagrid-shadow-sm);
}

.datagrid-header-row {
  border-bottom: var(--datagrid-border-width-thick) solid var(--datagrid-border-header);
}

.datagrid-header-cell {
  position: relative;
  padding: var(--datagrid-header-padding);
  text-align: left;
  font-weight: var(--datagrid-font-weight-semibold);
  font-size: var(--datagrid-font-size-md);
  color: var(--datagrid-text-primary);
  border-right: var(--datagrid-border-width) solid var(--datagrid-border-color);
  user-select: none;
  vertical-align: top;
  background-color: var(--datagrid-bg-header);
  transition: all var(--datagrid-transition-fast);
  min-height: var(--datagrid-header-height);
}

.datagrid-header-cell:last-child {
  border-right: var(--datagrid-border-width) solid var(--datagrid-border-color);
}

.datagrid-header-cell.sortable {
  cursor: pointer;
}

.datagrid-header-cell.sortable:hover {
  background-color: var(--datagrid-bg-hover);
  transform: translateY(-1px);
}

.datagrid-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--datagrid-spacing-xs);
  min-height: 18px;
  margin-bottom: 2px;
}

.datagrid-header-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: var(--datagrid-font-weight-semibold);
}

.datagrid-sort-indicator {
  display: flex;
  align-items: center;
  color: var(--datagrid-text-secondary);
  font-size: var(--datagrid-font-size-sm);
  opacity: 0.6;
  transition: all var(--datagrid-transition-fast);
}

.datagrid-header-cell.sortable:hover .datagrid-sort-indicator {
  opacity: 1;
  transform: scale(1.1);
}

.datagrid-header-cell.sorted-asc .sort-asc,
.datagrid-header-cell.sorted-desc .sort-desc {
  color: var(--datagrid-color-primary);
  opacity: 1;
  transform: scale(1.2);
}

/* Column Filter */
.datagrid-column-filter {
  margin-top: var(--datagrid-spacing-xs);
  padding: var(--datagrid-spacing-xs) 0;
}

.datagrid-filter-input {
  width: 100%;
  height: var(--datagrid-filter-height);
  padding: var(--datagrid-filter-padding);
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  background-color: var(--datagrid-bg-primary);
  color: var(--datagrid-text-primary);
  font-size: var(--datagrid-font-size-xs);
  font-family: var(--datagrid-font-family);
  font-weight: var(--datagrid-font-weight-normal);
  transition: all var(--datagrid-transition-fast);
  box-sizing: border-box;
  line-height: var(--datagrid-line-height-normal);
}

.datagrid-filter-input:hover {
  border-color: var(--datagrid-border-accent);
}

.datagrid-filter-input:focus {
  outline: none;
  border-color: var(--datagrid-border-focus);
  box-shadow: var(--datagrid-shadow-focus);
}

.datagrid-filter-input::placeholder {
  color: var(--datagrid-text-muted);
  font-size: var(--datagrid-font-size-xs);
  font-weight: var(--datagrid-font-weight-normal);
}

.datagrid-filter-input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Body */
.datagrid-body-row {
  transition: all var(--datagrid-transition-fast);
  position: relative;
}

.datagrid-body-row:hover {
  background-color: var(--datagrid-bg-row-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1;
}

.datagrid-body-row:nth-child(even) {
  background-color: var(--datagrid-bg-secondary);
}

.datagrid-body-row:nth-child(even):hover {
  background-color: var(--datagrid-bg-row-hover);
}

/* Uniform theme - no alternating rows */
.datagrid-theme-uniform .datagrid-body-row:nth-child(even) {
  background-color: var(--datagrid-bg-primary);
}

.datagrid-theme-uniform .datagrid-body-row:nth-child(odd) {
  background-color: var(--datagrid-bg-primary);
}

.datagrid-theme-uniform .datagrid-body-row:nth-child(even):hover,
.datagrid-theme-uniform .datagrid-body-row:nth-child(odd):hover {
  background-color: var(--datagrid-bg-row-hover);
}

.datagrid-body-cell {
  padding: var(--datagrid-cell-padding);
  border-right: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-bottom: var(--datagrid-border-width) solid var(--datagrid-border-color);
  vertical-align: middle;
  font-size: var(--datagrid-font-size-md);
  color: var(--datagrid-text-primary);
  background-color: inherit;
  transition: all var(--datagrid-transition-fast);
  position: relative;
  min-height: var(--datagrid-cell-min-height);
}

.datagrid-body-cell:last-child {
  border-right: var(--datagrid-border-width) solid var(--datagrid-border-color);
}

.datagrid-body-cell:hover {
  background-color: var(--datagrid-bg-cell-focus);
  cursor: pointer;
}

.datagrid-cell-content {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: var(--datagrid-line-height-normal);
}

.datagrid-cell-content.wrap {
  white-space: normal;
  word-wrap: break-word;
}

.datagrid-cell-content.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Checkbox */
.datagrid-checkbox {
  appearance: none;
  margin: 0;
  cursor: pointer;
  width: 16px;
  height: 16px;
  border: var(--datagrid-border-width-thick) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius-sm);
  background-color: var(--datagrid-bg-primary);
  position: relative;
  transition: all var(--datagrid-transition-fast);
  flex-shrink: 0;
  box-shadow: var(--datagrid-shadow-sm);
}

.datagrid-checkbox:hover {
  border-color: var(--datagrid-border-accent);
  background-color: var(--datagrid-bg-hover);
  box-shadow: var(--datagrid-shadow-md);
}

.datagrid-checkbox:focus {
  outline: none;
  border-color: var(--datagrid-border-focus);
  box-shadow: var(--datagrid-shadow-focus);
}

.datagrid-checkbox:checked {
  background-color: var(--datagrid-color-primary);
  border-color: var(--datagrid-color-primary);
  color: var(--datagrid-text-inverse);
}

.datagrid-checkbox:checked:hover {
  background-color: var(--datagrid-color-primary-hover);
  border-color: var(--datagrid-color-primary-hover);
}

.datagrid-checkbox:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 6px;
  height: 10px;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  opacity: 1;
}

.datagrid-checkbox:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Pagination */
.datagrid-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--datagrid-pagination-padding);
  background-color: var(--datagrid-bg-header);
  border-top: var(--datagrid-border-width) solid var(--datagrid-border-header);
  gap: var(--datagrid-spacing-lg);
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
  min-height: var(--datagrid-pagination-height);
}

.datagrid-pagination-info {
  color: var(--datagrid-text-secondary);
  font-size: var(--datagrid-font-size-sm);
  font-weight: var(--datagrid-font-weight-medium);
}

.datagrid-pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--datagrid-spacing-lg);
}

.datagrid-page-size {
  display: flex;
  align-items: center;
  gap: var(--datagrid-spacing-sm);
}

.datagrid-page-size-label {
  font-size: var(--datagrid-font-size-sm);
  color: var(--datagrid-text-secondary);
  font-weight: var(--datagrid-font-weight-medium);
}

.datagrid-page-size-select {
  height: 32px;
  padding: 0 var(--datagrid-spacing-sm);
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  background-color: var(--datagrid-bg-primary);
  color: var(--datagrid-text-primary);
  font-size: var(--datagrid-font-size-sm);
  font-family: var(--datagrid-font-family);
  font-weight: var(--datagrid-font-weight-normal);
  cursor: pointer;
  transition: all var(--datagrid-transition-fast);
  box-shadow: var(--datagrid-shadow-sm);
  line-height: var(--datagrid-line-height-normal);
}

.datagrid-page-size-select:hover {
  border-color: var(--datagrid-border-accent);
}

.datagrid-page-size-select:focus {
  outline: none;
  border-color: var(--datagrid-border-focus);
  box-shadow: var(--datagrid-shadow-focus);
}

.datagrid-page-navigation {
  display: flex;
  align-items: center;
  gap: var(--datagrid-spacing-xs);
}

.datagrid-page-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  background-color: var(--datagrid-bg-primary);
  color: var(--datagrid-text-primary);
  font-size: var(--datagrid-font-size-sm);
  cursor: pointer;
  transition: all var(--datagrid-transition-fast);
  box-shadow: var(--datagrid-shadow-sm);
}

.datagrid-page-button:hover:not(:disabled) {
  background-color: var(--datagrid-color-primary);
  color: var(--datagrid-text-inverse);
  border-color: var(--datagrid-color-primary);
  transform: translateY(-1px);
  box-shadow: var(--datagrid-shadow-md);
}

.datagrid-page-button:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--datagrid-shadow-sm);
}

.datagrid-page-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.datagrid-page-info {
  padding: var(--datagrid-spacing-xs) var(--datagrid-spacing-sm);
  font-size: var(--datagrid-font-size-sm);
  color: var(--datagrid-text-secondary);
  font-weight: var(--datagrid-font-weight-medium);
  white-space: nowrap;
  background-color: var(--datagrid-bg-primary);
  border-radius: var(--datagrid-border-radius);
  box-shadow: var(--datagrid-shadow-sm);
}

.datagrid-page-jump {
  display: flex;
  align-items: center;
  gap: var(--datagrid-spacing-sm);
}

.datagrid-page-jump-label {
  font-size: var(--datagrid-font-size-sm);
  color: var(--datagrid-text-secondary);
  font-weight: var(--datagrid-font-weight-medium);
}

.datagrid-page-jump-input {
  width: 60px;
  height: 32px;
  padding: 0 var(--datagrid-spacing-sm);
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  background-color: var(--datagrid-bg-primary);
  color: var(--datagrid-text-primary);
  font-size: var(--datagrid-font-size-sm);
  font-family: var(--datagrid-font-family);
  font-weight: var(--datagrid-font-weight-normal);
  text-align: center;
  transition: all var(--datagrid-transition-fast);
  box-shadow: var(--datagrid-shadow-sm);
  line-height: var(--datagrid-line-height-normal);
}

.datagrid-page-jump-input:hover {
  border-color: var(--datagrid-border-accent);
}

.datagrid-page-jump-input:focus {
  outline: none;
  border-color: var(--datagrid-border-focus);
  box-shadow: var(--datagrid-shadow-focus);
}

/* ============================================================================
   COLUMN RESIZER STYLES
   ============================================================================ */

/* Column Resizer - AG-Grid style: Clean, minimal, professional */
.datagrid-column-resizer {
  position: absolute;
  top: 0;
  right: -2px;
  width: 4px;
  height: 100%;
  cursor: col-resize;
  background-color: transparent;
  z-index: 20;
  opacity: 0;
  transition: opacity var(--datagrid-transition-fast);
  will-change: opacity;
}

.datagrid-column-resizer-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background-color: transparent;
  transform: translateX(-50%);
  transition: background-color var(--datagrid-transition-fast);
  will-change: background-color;
}

/* Show resizer on header hover - AG-Grid style */
.datagrid-header-cell:hover .datagrid-column-resizer {
  opacity: 1;
}

.datagrid-header-cell:hover .datagrid-column-resizer-handle {
  background-color: var(--datagrid-color-primary);
}

/* Active resizer states - minimal and clean */
.datagrid-column-resizer:hover {
  opacity: 1;
}

.datagrid-column-resizer:hover .datagrid-column-resizer-handle {
  background-color: var(--datagrid-color-primary-hover);
}

.datagrid-column-resizer.active {
  opacity: 1 !important;
}

.datagrid-column-resizer.active .datagrid-column-resizer-handle {
  background-color: var(--datagrid-color-primary-hover);
}

/* Clean header cell states during resize - AG-Grid style */
.datagrid-header-cell.resizing {
  transition: none !important;
  will-change: width;
  position: relative;
}

/* Minimal visual feedback during resize */
.datagrid-header-cell.resizing::after {
  content: '';
  position: absolute;
  top: 0;
  right: -1px;
  width: 1px;
  height: 100%;
  background-color: var(--datagrid-color-primary);
  z-index: 1;
}

.datagrid-header-cell.table-resizing {
  transition: none !important;
  will-change: auto;
}

.datagrid-header-cell.table-resizing .datagrid-header-content {
  pointer-events: none;
}

/* Disable sort interactions during resize */
.datagrid-header-cell.table-resizing.sortable {
  cursor: col-resize !important;
}

.datagrid-header-cell.table-resizing.sortable:hover {
  background-color: inherit !important;
  transform: none !important;
}

/* Ultra-smooth resizing: Disable ALL transitions during active resize */
.datagrid-table[data-resizing="true"] {
  user-select: none;
  cursor: col-resize;
}

.datagrid-table[data-resizing="true"] * {
  transition: none !important;
  will-change: width;
}

.datagrid-table[data-resizing="true"] .datagrid-body-cell {
  transition: none !important;
}

.datagrid-table[data-resizing="true"] .datagrid-header-cell {
  transition: none !important;
}

/* Re-enable smooth transitions only when NOT resizing */
.datagrid-table:not([data-resizing="true"]) .datagrid-header-cell {
  transition: background-color var(--datagrid-transition-fast),
              border-color var(--datagrid-transition-fast);
  will-change: auto;
}

.datagrid-table:not([data-resizing="true"]) .datagrid-body-cell {
  transition: background-color var(--datagrid-transition-fast);
  will-change: auto;
}

/* Force hardware acceleration for smooth resizing */
.datagrid-header-cell {
  transform: translateZ(0);
  backface-visibility: hidden;
}

.datagrid-body-cell {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Touch device optimizations - AG-Grid style */
@media (hover: none) and (pointer: coarse) {
  .datagrid-column-resizer {
    width: 8px;
    right: -4px;
    opacity: 0.3;
  }
  
  .datagrid-column-resizer-handle {
    width: 3px;
    background-color: var(--datagrid-color-primary);
  }
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .datagrid-column-resizer-handle {
    width: 1px;
  }
  
  .datagrid-column-resizer.active .datagrid-column-resizer-handle,
  .datagrid-column-resizer:hover .datagrid-column-resizer-handle {
    width: 2px;
  }

  .datagrid-header-cell.resizing::after {
    width: 1px;
  }
}

/* Dark theme adaptations - AG-Grid style */
.datagrid-theme-dark .datagrid-column-resizer-handle {
  background-color: transparent;
}

.datagrid-theme-dark .datagrid-header-cell:hover .datagrid-column-resizer-handle {
  background-color: var(--datagrid-text-accent);
}

.datagrid-theme-dark .datagrid-column-resizer:hover .datagrid-column-resizer-handle {
  background-color: var(--datagrid-color-primary);
}

.datagrid-theme-dark .datagrid-column-resizer.active .datagrid-column-resizer-handle {
  background-color: var(--datagrid-color-primary-hover);
}

.datagrid-theme-dark .datagrid-header-cell.resizing::after {
  background-color: var(--datagrid-text-accent);
}

/* ============================================================================
   DENSITY VARIANTS
   ============================================================================ */

/* Compact Density */
.datagrid-density-compact .datagrid-header-cell,
.datagrid-density-compact .datagrid-body-cell {
  padding: var(--datagrid-spacing-xs) var(--datagrid-spacing-sm);
  font-size: var(--datagrid-font-size-sm);
}

.datagrid-density-compact .datagrid-filter-input {
  height: 24px;
  padding: 0 6px;
  font-size: 10px;
}

/* Comfortable Density (Default) */
.datagrid-density-comfortable .datagrid-header-cell,
.datagrid-density-comfortable .datagrid-body-cell {
  padding: var(--datagrid-spacing-sm) var(--datagrid-spacing-md);
}

/* Spacious Density */
.datagrid-density-spacious .datagrid-header-cell,
.datagrid-density-spacious .datagrid-body-cell {
  padding: var(--datagrid-spacing-lg) var(--datagrid-spacing-xl);
  font-size: var(--datagrid-font-size-lg);
}

.datagrid-density-spacious .datagrid-filter-input {
  height: 36px;
  padding: 0 10px;
  font-size: var(--datagrid-font-size-sm);
}

/* ============================================================================
   FLOATING ACTION DOCK
   ============================================================================ */

.datagrid-floating-dock {
  position: fixed;
  z-index: var(--datagrid-z-tooltip);
  pointer-events: auto;
  max-width: 90vw;
  min-width: 400px;
}

/* Position variants */
.datagrid-floating-dock.dock-position-bottom-center {
  bottom: var(--datagrid-spacing-xl);
  left: 50%;
  transform: translateX(-50%);
}

.datagrid-floating-dock.dock-position-bottom-left {
  bottom: var(--datagrid-spacing-xl);
  left: var(--datagrid-spacing-xl);
  transform: none;
}

.datagrid-floating-dock.dock-position-bottom-right {
  bottom: var(--datagrid-spacing-xl);
  right: var(--datagrid-spacing-xl);
  transform: none;
}

.datagrid-floating-dock.dock-position-top-center {
  top: var(--datagrid-spacing-xl);
  left: 50%;
  transform: translateX(-50%);
}

.datagrid-floating-dock.dock-position-top-left {
  top: var(--datagrid-spacing-xl);
  left: var(--datagrid-spacing-xl);
  transform: none;
}

.datagrid-floating-dock.dock-position-top-right {
  top: var(--datagrid-spacing-xl);
  right: var(--datagrid-spacing-xl);
  transform: none;
}

.datagrid-floating-dock-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--datagrid-floating-dock-padding);
  background: rgba(255, 255, 255, 0.95);
  border: var(--datagrid-border-width) solid rgba(0, 0, 0, 0.1);
  border-radius: var(--datagrid-floating-dock-border-radius);
  box-shadow: var(--datagrid-floating-dock-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  gap: var(--datagrid-spacing-lg);
}

.datagrid-floating-dock-badge {
  display: flex;
  align-items: center;
  gap: var(--datagrid-spacing-sm);
  padding: var(--datagrid-spacing-xs) var(--datagrid-spacing-md);
  background: linear-gradient(135deg, var(--datagrid-color-primary) 0%, var(--datagrid-color-primary-hover) 100%);
  color: var(--datagrid-text-inverse);
  font-size: var(--datagrid-font-size-md);
  font-weight: var(--datagrid-font-weight-semibold);
  border-radius: var(--datagrid-border-radius-lg);
  white-space: nowrap;
  box-shadow: var(--datagrid-shadow-md);
}

.datagrid-floating-dock-badge::before {
  content: "✓";
  font-size: var(--datagrid-font-size-sm);
  width: 16px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--datagrid-border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.datagrid-floating-dock-actions {
  display: flex;
  gap: var(--datagrid-spacing-sm);
  align-items: center;
  flex-wrap: nowrap;
}

.datagrid-floating-dock-button {
  display: flex;
  align-items: center;
  gap: var(--datagrid-spacing-xs);
  padding: var(--datagrid-spacing-sm) var(--datagrid-spacing-md);
  border: var(--datagrid-border-width) solid transparent;
  border-radius: var(--datagrid-border-radius-lg);
  font-size: var(--datagrid-font-size-sm);
  font-weight: var(--datagrid-font-weight-medium);
  cursor: pointer;
  transition: all var(--datagrid-transition-fast);
  white-space: nowrap;
  text-decoration: none;
  outline: none;
  min-height: 32px;
  box-shadow: var(--datagrid-shadow-sm);
}

.datagrid-floating-dock-button:hover:not(.datagrid-floating-dock-button-disabled) {
  filter: brightness(1.05);
}

.datagrid-floating-dock-button:active:not(.datagrid-floating-dock-button-disabled) {
  filter: brightness(0.95);
}

.datagrid-floating-dock-button-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: var(--datagrid-shadow-sm) !important;
}

.datagrid-floating-dock-button-icon {
  display: flex;
  align-items: center;
  font-size: var(--datagrid-font-size-md);
  line-height: var(--datagrid-line-height-normal);
}

.datagrid-floating-dock-button-label {
  line-height: var(--datagrid-line-height-normal);
  font-size: var(--datagrid-font-size-sm);
}

.datagrid-floating-dock-separator {
  width: 1px;
  height: 20px;
  background-color: rgba(0, 0, 0, 0.15);
  margin: 0 4px;
  border-radius: 0.5px;
}

/* Button Variants */
.datagrid-floating-dock-button.variant-primary {
  background: linear-gradient(135deg, var(--datagrid-button-primary) 0%, var(--datagrid-button-primary-hover) 100%);
  color: var(--datagrid-text-inverse);
}

.datagrid-floating-dock-button.variant-danger {
  background: linear-gradient(135deg, var(--datagrid-button-danger) 0%, var(--datagrid-button-danger-hover) 100%);
  color: var(--datagrid-text-inverse);
}

.datagrid-floating-dock-button.variant-success {
  background: linear-gradient(135deg, var(--datagrid-button-success) 0%, var(--datagrid-button-success-hover) 100%);
  color: var(--datagrid-text-inverse);
}

.datagrid-floating-dock-button.variant-default {
  background: var(--datagrid-button-secondary);
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  color: var(--datagrid-text-primary);
}

.datagrid-floating-dock-button.variant-default:hover:not(.datagrid-floating-dock-button-disabled) {
  background: var(--datagrid-button-secondary-hover);
  border-color: var(--datagrid-border-accent);
  color: var(--datagrid-text-primary);
}

/* Dark theme styles for floating dock */
.datagrid-theme-dark .datagrid-floating-dock-container {
  background: rgba(31, 41, 55, 0.95);
  border-color: rgba(75, 85, 99, 0.3);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.datagrid-theme-dark .datagrid-floating-dock-separator {
  background-color: rgba(156, 163, 175, 0.3);
}

/* ============================================================================
   CONTEXT MENU
   ============================================================================ */

.datagrid-context-menu {
  background: var(--datagrid-bg-primary);
  border: var(--datagrid-border-width) solid var(--datagrid-border-color);
  border-radius: var(--datagrid-border-radius);
  box-shadow: var(--datagrid-shadow-lg);
  padding: var(--datagrid-spacing-xs) 0;
  min-width: 160px;
  font-size: var(--datagrid-font-size-md);
  z-index: var(--datagrid-z-max);
}

.datagrid-context-menu-item {
  display: flex;
  align-items: center;
  padding: var(--datagrid-spacing-sm) var(--datagrid-spacing-md);
  cursor: pointer;
  transition: background-color var(--datagrid-transition-fast);
  user-select: none;
}

.datagrid-context-menu-item:hover:not(.disabled) {
  background-color: var(--datagrid-bg-row-hover);
}

.datagrid-context-menu-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.datagrid-context-menu-icon {
  margin-right: var(--datagrid-spacing-sm);
  display: flex;
  align-items: center;
  font-size: var(--datagrid-font-size-lg);
  width: 16px;
  justify-content: center;
}

.datagrid-context-menu-label {
  flex: 1;
}

.datagrid-context-menu-separator {
  height: 1px;
  background-color: var(--datagrid-border-color);
  margin: var(--datagrid-spacing-xs) 0;
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes datagrid-dock-slide-up {
  from {
    opacity: 0;
    transform: translate(-50%, 8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

@keyframes datagrid-dock-slide-down {
  from {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
  to {
    opacity: 0;
    transform: translate(-50%, 8px) scale(0.98);
  }
}

.datagrid-floating-dock[data-entering="true"] {
  animation: datagrid-dock-slide-up 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.datagrid-floating-dock[data-leaving="true"] {
  animation: datagrid-dock-slide-down 200ms cubic-bezier(0.55, 0.06, 0.68, 0.19);
  animation-fill-mode: forwards;
}

/* Line bar loader animation */
@keyframes line-bar-loader-slide {
  0% {
    left: -100%;
  }
  50% {
    left: 100%;
  }
  100% {
    left: 100%;
  }
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
  .datagrid-pagination {
    flex-direction: column;
    gap: var(--datagrid-spacing-sm);
  }

  .datagrid-pagination-controls {
    flex-wrap: wrap;
    justify-content: center;
  }

  .datagrid-page-jump {
    order: -1;
  }

  .datagrid-floating-dock {
    bottom: 10px;
    min-width: 320px;
    max-width: 95vw;
  }
  
  .datagrid-floating-dock-container {
    padding: 10px 16px;
    flex-direction: column;
    gap: var(--datagrid-spacing-md);
  }
  
  .datagrid-floating-dock-button {
    padding: var(--datagrid-spacing-xs) 10px;
    font-size: var(--datagrid-font-size-xs);
    min-height: 28px;
  }
  
  .datagrid-floating-dock-button-label {
    display: none;
  }
  
  .datagrid-floating-dock-actions {
    gap: var(--datagrid-spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .datagrid-floating-dock-badge {
    font-size: var(--datagrid-font-size-sm);
    padding: var(--datagrid-spacing-xs) 10px;
  }

  /* Compact layout for mobile */
  .datagrid-header-cell,
  .datagrid-body-cell {
    padding: var(--datagrid-spacing-xs) var(--datagrid-spacing-sm);
    font-size: var(--datagrid-font-size-xs);
  }
}

@media (max-width: 480px) {
  .datagrid-floating-dock {
    min-width: 280px;
  }
  
  .datagrid-floating-dock-button-icon {
    font-size: var(--datagrid-font-size-lg);
  }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

/* Text utilities */
.datagrid-text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.datagrid-text-wrap {
  white-space: normal;
  word-wrap: break-word;
}

.datagrid-text-center {
  text-align: center;
}

.datagrid-text-right {
  text-align: right;
}

/* Spacing utilities */
.datagrid-m-0 { margin: 0; }
.datagrid-p-0 { padding: 0; }
.datagrid-mx-auto { margin-left: auto; margin-right: auto; }

/* Display utilities */
.datagrid-hidden { display: none; }
.datagrid-block { display: block; }
.datagrid-flex { display: flex; }
.datagrid-inline-flex { display: inline-flex; }

/* Flex utilities */
.datagrid-items-center { align-items: center; }
.datagrid-justify-center { justify-content: center; }
.datagrid-justify-between { justify-content: space-between; }
.datagrid-flex-1 { flex: 1; }

/* Color utilities */
.datagrid-text-primary { color: var(--datagrid-text-primary); }
.datagrid-text-secondary { color: var(--datagrid-text-secondary); }
.datagrid-text-muted { color: var(--datagrid-text-muted); }
.datagrid-text-accent { color: var(--datagrid-text-accent); }
.datagrid-text-success { color: var(--datagrid-color-success); }
.datagrid-text-warning { color: var(--datagrid-color-warning); }
.datagrid-text-error { color: var(--datagrid-color-error); }

.datagrid-bg-primary { background-color: var(--datagrid-bg-primary); }
.datagrid-bg-secondary { background-color: var(--datagrid-bg-secondary); }
.datagrid-bg-header { background-color: var(--datagrid-bg-header); }
.datagrid-bg-accent { background-color: var(--datagrid-bg-accent); }

/* Border utilities */
.datagrid-border { border: var(--datagrid-border-width) solid var(--datagrid-border-color); }
.datagrid-border-t { border-top: var(--datagrid-border-width) solid var(--datagrid-border-color); }
.datagrid-border-r { border-right: var(--datagrid-border-width) solid var(--datagrid-border-color); }
.datagrid-border-b { border-bottom: var(--datagrid-border-width) solid var(--datagrid-border-color); }
.datagrid-border-l { border-left: var(--datagrid-border-width) solid var(--datagrid-border-color); }

.datagrid-rounded { border-radius: var(--datagrid-border-radius); }
.datagrid-rounded-sm { border-radius: var(--datagrid-border-radius-sm); }
.datagrid-rounded-lg { border-radius: var(--datagrid-border-radius-lg); }
.datagrid-rounded-full { border-radius: var(--datagrid-border-radius-full); }

/* Shadow utilities */
.datagrid-shadow-none { box-shadow: var(--datagrid-shadow-none); }
.datagrid-shadow-sm { box-shadow: var(--datagrid-shadow-sm); }
.datagrid-shadow-md { box-shadow: var(--datagrid-shadow-md); }
.datagrid-shadow-lg { box-shadow: var(--datagrid-shadow-lg); }

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  .datagrid-container {
    border: none;
    box-shadow: none;
    background: white;
    color: black;
  }
  
  .datagrid-floating-dock,
  .datagrid-pagination,
  .datagrid-toolbar {
    display: none !important;
  }
  
  .datagrid-table {
    border-collapse: collapse;
  }
  
  .datagrid-header-cell,
  .datagrid-body-cell {
    border: 1px solid #000;
    padding: 4px 8px;
    background: transparent !important;
  }
  
  .datagrid-body-row:hover {
    background: transparent !important;
    transform: none !important;
    box-shadow: none !important;
  }
}

/* ============================================================================
   HIGH CONTRAST MODE
   ============================================================================ */

@media (prefers-contrast: high) {
  :root {
    --datagrid-border-width: 2px;
    --datagrid-border-width-thick: 3px;
    --datagrid-text-primary: #000000;
    --datagrid-text-secondary: #333333;
    --datagrid-border-color: #000000;
    --datagrid-bg-primary: #ffffff;
    --datagrid-bg-hover: #f0f0f0;
  }
  
  .datagrid-theme-dark {
    --datagrid-text-primary: #ffffff;
    --datagrid-text-secondary: #cccccc;
    --datagrid-border-color: #ffffff;
    --datagrid-bg-primary: #000000;
    --datagrid-bg-hover: #333333;
  }
}

/* ============================================================================
   REDUCED MOTION
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  .datagrid-container *,
  .datagrid-container *::before,
  .datagrid-container *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}.line-bar-loader {
  position: relative;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.05);
  overflow: hidden;
  border-radius: 2px;
}

.line-bar-loader-progress {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    currentColor 50%,
    transparent 100%
  );
  animation: line-bar-loader-slide 1.5s ease-in-out infinite;
  border-radius: inherit;
}

@keyframes line-bar-loader-slide {
  0% {
    left: -100%;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

/* Theme variants */
.datagrid-theme-dark .line-bar-loader {
  background-color: rgba(255, 255, 255, 0.1);
}

.datagrid-theme-dark .line-bar-loader-progress {
  color: #60a5fa;
}

/* Position variants */
.line-bar-loader.position-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-radius: 0;
  background-color: rgba(255, 255, 255, 0.1);
}

.datagrid-container .line-bar-loader.position-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-radius: 0;
}

.line-bar-loader.position-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  border-radius: 0;
}

.line-bar-loader.position-inline {
  margin: 8px 0;
}

/* Size variants */
.line-bar-loader.size-thin .line-bar-loader-progress {
  height: 2px;
}

.line-bar-loader.size-thick .line-bar-loader-progress {
  height: 4px;
}

/* Color variants */
.line-bar-loader.color-success .line-bar-loader-progress {
  color: #10b981;
}

.line-bar-loader.color-warning .line-bar-loader-progress {
  color: #f59e0b;
}

.line-bar-loader.color-error .line-bar-loader-progress {
  color: #ef4444;
}

.line-bar-loader.color-info .line-bar-loader-progress {
  color: #3b82f6;
}